On Friday, officers were called to the 4300 block of Martin Luther King Jr. Avenue SW when a passerby found a decomposing body in the woods, police say.
The remains were taken to the Office of the Chief Medical Examiner, where it was determined the person was killed by a gunshot and the death was ruled a homicide.
Police have not identified the body.
The incident remains under investigation and a $25,000 reward has been offered for information regarding the apparent murder.
Tipsters can reach the department by calling (202) 727-9099 or texting the details to 50411.
Want breaking news in the DMV as it happens, or want to contribute? Join the DMV All Incidents Facebook group.
Click here to follow Daily Voice Ashburn and receive free news updates.